The following are the basic concepts of Ayurveda:
1.panca mahAbhUtas -- Five great elements
AkASa --- Space
vAyu --- Air
teja --- Fire
jala --- Water
prithivI --- Earth
2. tridoshas --- Three biological imbalances
vAta --- Combination of Air and Space
pitta --- Fire
kapha --- Water and Earth
3. sapta dhAtus --- Seven Constituents
rasa --- Chyle
rakta --- Blood
MAmsa --- Muscle
majjA ---- Marrow
asthi ---- Bone
medhA ---- Brain and nervous system
Sukra ---- Sperm and ovum
4 malas --- Excretal products
5.triguNas --- Three qualities
satva --- Peace
rajas --- Passion
tamas --- Ignorance